Human Rights Watch is writing to express deep concern regarding the conditions of detention for undocumented migrants in Greece. The enclosed urgent memorandum documents conditions found by our researchers at the Attica General Police Directorate detention facility for foreigners on Alexandras Avenue in Athens on November 18, 2000. Human Rights Watch found appalling conditions of detention that violate international and regional standards for the treatment of detainees and may amount to cruel, inhuman, and degrading treatment.